Kopp IR Transmitting/VIS Absorbing 2600

IR Transmitting/VIS Absorbing 2600

Note: Graph and tabular data at 2.85 mm
Filter Specifications
Transmission at 800 nm must be > 72%
Transmission at 1000 nm must be beween 28% and 40%
Physical Properties
Nominal Thickness Range	2.9 - 3.1 mm
Refractive Index	n_D = 1.54
Density	2.81 g/cm³
Thermal Linear Expansion	106E-7 /ºC (30-300 ºC)
Strain Temperature	431 ºC
Annealing Temperature	473 ºC
Deformation Temperature	650 ºC

IR Transmitting/VIS Absorbing 2600
Wavelength	Transmission	Wavelength	Transmission	Wavelength	Transmission
(nm)	(%)	(nm)	(%)	(nm)	(%)
200	0.00	435	0.00	670	0.00
205	0.00	440	0.00	675	0.00
210	0.00	445	0.00	680	0.00
215	0.00	450	0.00	685	0.00
220	0.00	455	0.00	690	0.00
225	0.00	460	0.00	695	0.00
230	0.00	465	0.00	700	0.01
235	0.00	470	0.00	705	0.18
240	0.00	475	0.00	710	1.45
245	0.00	480	0.00	715	5.88
250	0.00	485	0.00	720	14.94
255	0.00	490	0.00	725	27.50
260	0.00	495	0.00	730	41.04
265	0.00	500	0.00	735	53.18
270	0.00	505	0.00	740	62.81
275	0.00	510	0.00	745	69.78
280	0.00	515	0.00	750	74.46
285	0.00	520	0.00	755	77.58
290	0.00	525	0.00	760	79.53
295	0.00	530	0.00	765	80.55
300	0.00	535	0.00	770	81.20
305	0.00	540	0.00	775	81.52
310	0.00	545	0.00	780	81.47
315	0.00	550	0.00	785	81.47
320	0.00	555	0.00	790	81.26
325	0.00	560	0.00	795	81.23
330	0.00	565	0.00	800	80.66
335	0.00	570	0.00	805	80.24
340	0.00	575	0.00	810	79.97
345	0.00	580	0.00	815	79.34
350	0.00	585	0.00	820	78.80
355	0.00	590	0.00	825	78.34
360	0.00	595	0.00	830	77.74
365	0.00	600	0.00	835	77.24
370	0.00	605	0.00	840	76.81
375	0.00	610	0.00	845	76.06
380	0.00	615	0.00	850	75.29
385	0.00	620	0.00	855	74.88
390	0.00	625	0.00	860	74.20
395	0.00	630	0.00	865	73.19
400	0.00	635	0.00	870	72.58
405	0.00	640	0.00	875	72.17
410	0.00	645	0.00	880	71.09
415	0.00	650	0.00	885	70.57
420	0.00	655	0.00	890	69.03
425	0.00	660	0.00	895	69.49
430	0.00	665	0.00	900	69.32

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